/**
 * 高精度加
 */
#include <iostream>
#include <vector>

using namespace std;

vector<int> add(vector<int> &A, vector<int> &B) {
    vector<int> C;

    int t = 0;
    for (int i = 0; i < A.size() || i < B.size(); ++i) {
        if (i < A.size()) {
            t += A[i];
        }
        if (i < B.size()) {
            t += B[i];
        }
        C.push_back(t % 10);
        t /= 10;
    }
    if (t) {
        C.push_back(1);
    }
    return C;
}

int main() {
    string a, b;
    vector<int> A, B;

    cin >> a >> b;
    for (int i = a.size() - 1; i >= 0; --i) {
        A.push_back(a[i] - '0');
    }
    for (int i = b.size() - 1; i >= 0; --i) {
        B.push_back(b[i] - '0');
    }

    auto C = add(A, B);
    for (int i = C.size() - 1; i >=0; --i) {
        printf("%d", C[i]);
    }
    return 0;
}